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Revenue Recognition - Summary of Disaggregation of Revenue by Major Source (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | $ 186,564 |  | $ 167,684 | $ 382,162 |  | $ 350,643
Tuition, Net [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [1] | 176,000 |  | 157,911 | 360,643 |  | 330,289
Technology and Miscellaneous Fees [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | 8,520 |  | 7,985 | 17,196 |  | 16,934
Tuition and Fees, Net [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | 184,520 |  | 165,896 | 377,839 |  | 347,223
Other [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [2] | 2,044 |  | 1,788 | 4,323 |  | 3,420
University Group [Member] | CTU [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [3] | 119,292 | [4] | 100,461 | 243,784 | [4] | 213,609
University Group [Member] | AIUS [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [5] | 67,062 | [6] | 66,920 | 137,902 | [6] | 136,452
University Group [Member] | Tuition, Net [Member] | CTU [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [1] | 112,864 | [4] | 94,828 | 230,862 | [4] | 201,755
University Group [Member] | Tuition, Net [Member] | AIUS [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [1] | 63,136 | [6] | 63,083 | 129,781 | [6] | 128,534
University Group [Member] | Technology and Miscellaneous Fees [Member] | CTU [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | 5,420 | [4] | 4,921 | 10,843 | [4] | 10,545
University Group [Member] | Technology and Miscellaneous Fees [Member] | AIUS [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | 3,100 | [6] | 3,064 | 6,353 | [6] | 6,389
University Group [Member] | Tuition and Fees, Net [Member] | CTU [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | 118,284 | [4] | 99,749 | 241,705 | [4] | 212,300
University Group [Member] | Tuition and Fees, Net [Member] | AIUS [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | 66,236 | [6] | 66,147 | 136,134 | [6] | 134,923
University Group [Member] | Other [Member] | CTU [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [2] | 1,008 | [4] | 712 | 2,079 | [4] | 1,309
University Group [Member] | Other [Member] | AIUS [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [2] | 826 | [6] | 773 | 1,768 | [6] | 1,529
Corporate and Other [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue |  | 210 |  | 303 | 476 |  | 582
Corporate and Other [Member] | Other [Member] |  |  |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |  |  |
Total revenue | [2] | $ 210 |  | $ 303 | $ 476 |  | $ 582
[1] | Tuition includes revenue earned for all degree-granting programs as well as revenue earned for non-degree and professional development programs.
[2] | Other revenue primarily includes contract training revenue and miscellaneous non-student related revenue.
[3] | CTU results of operations include the Coding Dojo acquisition commencing on the December 1, 2022 date of acquisition.
[4] | CTU includes revenue related to an acquisition completed on December 1, 2022.
[5] | AIUS results of operations include the CalSouthern acquisition commencing on the July 1, 2022 date of acquisition.
[6] | AIUS includes revenue relat ed to an acquisition completed on July 1, 2022.

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